Research
Portfolio concentration and the fundamental law of active management
In this paper Joop Huij from the Rotterdam School of Management, Erasmus University and Jeroen Derwall from Tilburg University, School of Economics show the observed relation between portfolio concentration and performance is mostly driven by the breadth of the underlying fund strategies, not just by fund managers’ willingness to take big bets.
STAFF WRITERNovember 16, 2009